Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dao tran anh snippets" » "dao trang anh snippets", "bao tran anh snippets", "dao thanh anh snippets", "dao tran manh snippets", "dao tuan anh snippets", "dao tran thanh snippets", "dao tran anh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("dao tran anh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dao tran anh snippets"))) OR ("locating bug code snippets")).
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